{
  "spec_version": "6",
  "endpoint": "ceo-person",
  "stock_code": "1963",
  "company_name": "日揮ホールディングス",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/1963/executives/ceo/yaegashi-masahiko/",
  "api_url": "/api/1963/ceo/yaegashi-masahiko.json",
  "updated": "2026-11-12",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/1963/executives/ceo/yaegashi-masahiko/",
  "source": {
    "person": {
      "primary": [
        "有価証券報告書（役員の状況）"
      ],
      "extraction": "EDINET の XBRL から機械抽出した役員表を土台に、雑誌記事・社史・報道で経歴と出自を補完",
      "caveat": "在任区間は career の is_ceo_appointed が正本。退任年月は次の代の就任年月から決まる"
    }
  },
  "person": {
    "slug": "yaegashi-masahiko",
    "name": "八重樫正彦",
    "kana": "やえがし　まさひこ",
    "surname": "八重樫",
    "given_name": "正彦",
    "origin": "生え抜き（1969年入社）。国際事業本部のプロジェクトマネジメント畑からエネルギープロジェクト統括本部長、プロジェクト統括担当役員（CPO）を経て社長へ",
    "origin_type": "生え抜き",
    "hometown": "高知県",
    "prev_role": "代表取締役副社長兼プロジェクト統括担当役員（CPO）",
    "career": [
      {
        "company": "日揮ホールディングス",
        "from": "2009",
        "to": "2011",
        "roles": [
          {
            "date": "2009-06",
            "role": "代表取締役社長兼最高執行責任者(COO)",
            "board": "代表取締役",
            "title": "社長",
            "officer": "COO",
            "is_ceo_appointed": true
          },
          {
            "date": "2011-07",
            "role": "社長退任（取締役副会長へ）",
            "title": "社長",
            "event": "退任",
            "next": "取締役副会長",
            "is_ceo_retired": true,
            "retirement_basis": "disclosure"
          }
        ]
      }
    ],
    "html_url": "https://the-shashi.com/tse/1963/executives/ceo/yaegashi-masahiko/",
    "term_start": "2009-06",
    "term_end": "2011-07",
    "api_url": "https://the-shashi.com/api/1963/ceo/yaegashi-masahiko.json",
    "list_api_url": "https://the-shashi.com/api/1963/ceo.json",
    "predecessor": {
      "slug": "takeuchi-keisuke",
      "name": "竹内敬介",
      "api_url": "https://the-shashi.com/api/1963/ceo/takeuchi-keisuke.json"
    },
    "successor": {
      "slug": "kawana-koichi",
      "name": "川名浩一",
      "api_url": "https://the-shashi.com/api/1963/ceo/kawana-koichi.json"
    }
  }
}